建筑砂浆

  • n.building mortar; masons mortar

建筑砂浆建筑砂浆

建筑砂浆

building mortar

建筑用海砂矿,co... ... ) Artificial building sand 建筑用人工砂 ) building mortar 建筑砂浆 ) coastal mining sites 海岸砂矿 ...

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